Show a replacement plug-in for loading errors.

webkit/tools/test_shell/test_webview_delegate.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file contains the implementation of TestWebViewDelegate, which serves
 // as the WebViewDelegate for the TestShellWebHost.  The host is expected to
 // have initialized a MessageLoop before these methods are called.
 
 #include "webkit/tools/test_shell/test_webview_delegate.h"
 
@@ skipping 926 matching lines @@
 void TestWebViewDelegate::openFileSystem(
     WebFrame* frame, WebFileSystem::Type type, long long size, bool create,
     WebFileSystemCallbacks* callbacks) {
   SimpleFileSystem* fileSystem = static_cast<SimpleFileSystem*>(
       WebKit::webKitPlatformSupport()->fileSystem());
   fileSystem->OpenFileSystem(frame, type, size, create, callbacks);
 }
 
 // WebPluginPageDelegate -----------------------------------------------------
 
+WebKit::WebPlugin* TestWebViewDelegate::CreatePluginReplacement(
+    const FilePath& file_path) {
+  return NULL;
+}
+
 WebCookieJar* TestWebViewDelegate::GetCookieJar() {
   return WebKit::webKitPlatformSupport()->cookieJar();
 }
 
 // Public methods ------------------------------------------------------------
 
 TestWebViewDelegate::TestWebViewDelegate(TestShell* shell)
     : policy_delegate_enabled_(false),
       policy_delegate_is_permissive_(false),
       policy_delegate_should_notify_done_(false),
@@ skipping 187 matching lines @@
 }
 
 void TestWebViewDelegate::set_fake_window_rect(const WebRect& rect) {
   fake_rect_ = rect;
   using_fake_rect_ = true;
 }
 
 WebRect TestWebViewDelegate::fake_window_rect() {
   return fake_rect_;
 }